The Latest Breaking News from MI5

Exclusive: Labour claims ministers lost ‘any chance’ of getting money back ‘moment somebody’ made case public

The British police deployed armed reinforcements outside the Iran International television studios in London after two of its journalists were threatened by Tehran. Police on Sunday confirmed that its officers “are working in response to potential threats projected from Iran against a number of UK-based individuals. Iran's intelligence services made…

Iran's intelligence services have made at least 10 attempts to kidnap or even kill British nationals or individuals based in the United Kingdom regarded by Tehran as a threat, the head of Britain's domestic spy agency said on Wednesday.

A rising number of far-Right extremists radicalised online in their bedrooms are trying to acquire weapons to carry out lethal attacks, the head of MI5 said on Wednesday as he warned of a continuing serious terror threat to this country.

Ken McCallum set out in stark language the dangers faced from Russia, China and Iran.

New book by Nick Lowles of Hope not Hate claims ex-MI5 informer who bombed for the Republicans is extremist’s ‘surveillance officer’

Officers were called to the scene this morning

The country's security services headquarters was temporarily locked down after a member of staff raised the alarm over a suspicious package, prompting a swift emergency response

At 24, I was almost recruited by the security services. I had a mediocre degree, was overweight and wore a tracksuit stretched over a plaster cast on my leg. Clearly, just what they were looking for, writes Adrian Chiles